JP2000059044A - Electronic equipment case - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable a lid to keep standing upright by itself, even if it is repeatedly opened and closed. SOLUTION: When a front lid 20 is opened to pivot on a main body 10, a tongue 20f provided to the rear side plate 20c of the front lid 20 is made to slide along an arc-shaped sliding part 10h provided to the side plate 10b of the main body 10. At this point, the tongue 20f slides, while being elastically deformed. When the front lid 20 stops pivoting, the tongue 20f is elastically engaged with an engaging part 10i, and the front lid 20 keeps standing upright by the elastic force of the tongue 20f, resisting its own weight.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic device case having a built-in electronic circuit and installed outdoors.

[0002]

2. Description of the Related Art A case in which an electronic circuit installed in a user's house or the like used for a CATV system or the like is generally installed on a wall surface of a building or the like. Since this case is installed outdoors, it is a case of a rainproof structure in which rainwater is prevented from entering the inside. Further, in an electronic circuit such as an amplifier housed in a case, electric characteristics are often adjusted after installation. Therefore, the case is composed of a main body and a cover that covers the front side, and when making adjustments, the cover is opened to adjust the electronic circuit housed inside the case.

However, since the case is mounted almost vertically on a wall or the like, when the lid is opened, the lid tends to close by its own weight. Therefore, when adjusting the electronic circuit, the opened lid must be held by hand. For this reason,
There is a problem that the adjustment operation must be performed with one hand and it is difficult to perform the adjustment. In this case, if the lid can be removed, complicated work to remove and attach the lid will be necessary, and when adjusting during rainfall, rainwater will not be blocked by the lid, so it will be necessary to install it in the case. Rainwater will enter. Therefore, there has been conventionally proposed an electronic device case in which, when the lid is opened with respect to the main body, the lid becomes independent against its own weight and can perform an adjustment operation or the like with both hands.
FIGS. 6 and 7 show the configuration of such an electronic device case. FIG. 6 is an exploded perspective view of the electronic device case, and FIG. 7 is a perspective view of the assembled electronic device case.

[0006] As shown in FIG. 6, a main body 110 is formed by bending a metal plate into a U-shape.
A pair of side plates 110b are formed on both sides of 10a.
The front lid 12 pivotally supported by the main body 110 so as to be openable and closable.
0 also has both sides of the metal plate bent and formed into a U-shaped cross section. Further, the upper lid part 130 fitted so as to cover the upper part of the main body part 110 is formed by bending four sides of a rectangular metal plate. A female threaded first protruding portion 110c is provided on the upper front side of the side plate 110b of the main body 110, and an engaging protrusion 110d is provided in the vicinity thereof.
A screw insertion hole 120d through which a screw screwed into the first protrusion 110c is inserted is provided at an upper portion of the side plate 120a of the front lid 120, and an engagement protrusion 110 is provided near the screw insertion hole 120d.
An engagement hole 120e with which d engages is formed. Also,
A protrusion 120f is formed near the screw insertion hole 120d.

Further, a notch 120g is formed below the side plate 120a of the front lid 120, and a pair of protrusions 120h are formed on both sides of the notch 120g. Furthermore, the side plate 130a of the upper lid 130 has a front lid 12
A projection engaging hole 130b is formed to engage with the projection 120f formed on the 0 side plate 120a. The front lid 12 is attached to the side plate 110b of the main body 110 thus configured.
No. 0 side plate 120a is fitted, a screw is inserted into the screw insertion hole 120d, and this screw is inserted into the side plate 110b of the main body 110.
Is screwed to the first protruding portion 110c. As a result, the front lid 120 is pivotally supported by the main body 110 around the screw as the center of rotation. When the upper lid 130 is fitted on the upper side of the main body 110, the side plate 120 of the front lid 120 is fitted.
The projection 120f formed on the projection a engages with the projection engagement hole 130b.

This state is the state shown in FIG. Next, the screw 103 inserted into the notch 120g formed in the side plate 120a of the front lid 120 is screwed into the second protrusion 110e formed in the side plate 110b of the main body 110.
Thereby, the head of the screw 103 is engaged with the pair of protrusions 120h formed on both sides of the notch 120g. As a result, the front lid 120 is fixed to the main body 110 in a closed state. Further, the screw 102 is connected to the upper lid 13.
The upper lid 130 is inserted into a screw insertion hole formed in the side plate 130a of the main body 110, and then screwed into a screw formed in the side plate 110b of the main body 110, whereby the upper lid 130 is
It is fixed to 0. The lower surface of the main body 110 is closed by a lower lid 140 fixed to the main body 110, and the lower lid 140 is provided with a mounting hole for attaching an input / output connector for signal input / output. . The electronic device case can be attached by fixing the bottom plate 110a of the main body 110 to a vertical surface such as a wall.

Next, in the electronic device case described with reference to FIGS. 6 and 7, when the front lid 120 is opened, a structure in which the front lid 120 stands alone will be described with reference to FIGS. 8 and 9. FIG. I do. FIG. 8 shows the side plate 110 of the main body 110.
b and the side plate 120a of the front lid part 120
A part of the upper part of is enlarged. As mentioned above,
The side plate 1 of the front lid 120 is attached to the side plate 110 b of the main body 110.
20a is fitted, a screw is inserted into the screw insertion hole 120d, and the screw is screwed to the first protrusion 110c formed on the side plate 110b of the main body 110. As a result, the front lid 120 is pivotally supported by the main body 110 around the screw as the center of rotation.

At this time, the front lid 120 is attached to the main body 110.
9 (a) to 9 (d) show a state in which the front lid 120 is rotated and gradually opened. The state shown in FIG. 9A is a state in which the front lid 120 is slightly opened, and the state further opened is shown in FIG. 9B. In FIG. 9B, the edge of the side plate 120a in which the engagement hole 120e is formed partially rides on the engagement protrusion 110d formed on the side plate 110b of the main body 110. Further, the front lid 12
0, the edge of the side plate 120a is
d, the inner surface of the side plate 120a rotates while sliding on the upper surface of the engagement protrusion 110d. Further, a part of the engagement protrusion 110d is formed in the engagement hole 120e.
Partially faces inside. Further, when the front lid 120 is rotated, the engagement protrusion 110d is engaged with the engagement hole 120e. As a result, the front lid 120 is held by the engagement protrusion 110d, and the front lid 120 is
It becomes self-supporting in an open state against its own weight so as to be substantially perpendicular to 10.

[0009]

In the above-mentioned conventional electronic device case, since the front cover 120 is self-supporting with the opening, the electronic circuit case accommodated in the electronic device case is adjusted. The adjustment can be performed using both hands. However, since the engagement projection 110d is formed by being stamped from the back side, there is a problem that the edge is rounded and the engagement with the engagement hole 120e is slippery. When the front lid 120 is rotated, the edge of the side plate 120a is moved to the side plate 110b of the main body 110.
When getting over the engagement protrusion 110d formed in
When the engagement hole 120e gets over the engagement protrusion 110d and is disengaged, the engagement protrusion 110d is shaved and the engagement protrusion 110d is worn away, the engagement force with the engagement hole 120e is reduced, and the front side There was a problem that the lid 120 was easily closed by its own weight.

Accordingly, an object of the present invention is to provide an electronic device case in which the lid can maintain its self-standing state against its own weight even if the lid is repeatedly opened and closed.

[0011]

In order to achieve the above object, an electronic apparatus case according to the present invention comprises a main body having a U-shaped cross section and a lid pivotally supported on the front surface of the main body so as to be openable and closable. In the electronic device case having at least a screw insertion hole formed in a side plate of the lid portion that pivotally supports the lid portion with respect to the main body portion, both ends of a rear side plate of the lid portion can be elastically deformed. In addition, a slit formed at both ends thereof, a projection formed on a side plate of the main body serving as the lid,
A groove formed in a side plate of the main body along a longitudinal direction of the main body, wherein a screw is inserted through the screw insertion hole formed in the lid to form the protrusion formed in the main body. By screwing to the portion, the lid is pivotally supported on the front surface of the main body so as to be openable and closable, and when the lid is opened, both ends of the rear side plate of the lid are formed in the main body. In addition, by penetrating into the groove portion and elastically engaging with the edge of the groove portion, the lid portion stands up against the main body portion against its own weight.

According to the present invention, when the lid is opened, both ends of the rear side plate of the lid are elastically engaged with the upper edges of the grooves formed in the main body, and the lid is moved to the main body. Since it is self-supporting with respect to the portion, it is possible to provide a stopper structure having no portion that is worn away when the lid is opened and closed. Therefore, even if the lid is repeatedly opened and closed, the lid can always maintain its self-standing state against its own weight.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a perspective view showing the structure of a main body and a front lid in an electronic apparatus case according to an embodiment of the present invention. As shown in FIG. 1, a main body 10 of an electronic device case 1 of the present invention is formed by bending a metal plate into a U-shape, and has a pair of side plates 1 on both sides of a bottom plate 10a.
0b is formed. The front lid 20 pivotally supported by the main body 10 so as to be openable and closable is also formed in a U-shaped cross section.
Both sides of the metal plate are bent to form a pair of side plates 20a on both sides of the front plate 20b. A female threaded first protruding portion 10c is formed on the upper front side of the side plate 10b of the main body 10, and a groove 10d having a predetermined length is formed near the first protruding portion 10c along the longitudinal direction of the side plate 10b. A second projecting portion 10e having a female thread is formed on the lower front side of the side plate 10b of the main body 10.

Further, a screw insertion hole 20d through which a pivot screw screwed into the first protrusion 10c is inserted, a front plate 20b, and a rear side plate 20c are provided above the side plate 20a of the front lid 20.
A slit 20e of a predetermined length is formed at the boundary between the slits 20e.
Further, a notch 20g is formed below the side plate 20a of the front lid 20, and a pair of projections 2 are provided on both sides of the notch 20g.
0h is formed. Main body 1 configured as above
2, the side plate 20a of the front lid 20 is fitted to the side plate 10b, and the screw 2 is inserted into the screw insertion hole 20d as shown in FIG. Is screwed to the first protruding portion 10c. This allows
The front lid 20 is pivotally supported by the main body 10 with the pivot screw 2 as the center of rotation. The side plate 10b of the main body 10 to which the side plate 20a of the front lid 20 is fitted is pressed so as to be located slightly inside to form a front lid fitting portion 10g. 10 g of the side plate 2 of the front lid 20
0a is fitted.

Further, the upper cover 30 and the lower cover 40
FIG. 2 shows a perspective view of the electronic device case 1 assembled by fixing the electronic device case to the main body 10. As shown in FIG. 2, four sides of a rectangular metal plate are bent so that rainwater does not enter into the electronic device case 1, and the upper lid portion 30 fitted to cover the upper portion of the main body portion 10 is bent. A pair of side plates 30a and a front side plate 30c on the front side. Also, the upper cover 30
An insertion hole 30b into which the pivot screw 2 is inserted is formed in a front portion of the side plate 30a. Further, a lower surface of the main body 10 is closed by a lower lid 40 fixed to the main body 10, and the lower lid 40 has a mounting hole for an input / output connector for inputting / outputting a signal and a power cable lead-in hole. Are provided.

Here, the pivot screw 2 is inserted into the insertion hole 30b formed in the side plate 30a of the upper lid 30 and the front lid 2
The upper cover 30 is fixed to the main body 10 by being inserted into a screw insertion hole 20d formed in the side plate 20a of the main body 10 and then screwed to the first protrusion 10c formed in the side plate 10b of the main body 10. And the front lid 20 is
Is pivotally supported with respect to. Further, the front lid 20
FIG. 3 is a perspective view showing a state in which the front cover 20 is closed with respect to the main body 10. As shown in FIG. The main body 10 is screwed to a second protrusion 10e formed on the side plate 10b. Thereby, the head of the lid fixing screw 3 is engaged with the pair of protrusions 20h formed on both sides of the cutout 20g. As a result, the front lid 20 is fixed to the main body 10 in a closed state.

When the lid fixing screw 3 is loosened, the engagement between the lid fixing screw 3 and the projection 20h is released, and the front lid 20
Can be opened. The upper cover 30
Is fixed to the main body 10, the side plate 30 a of the upper lid 30 and the side plate 10 b of the main body 10 are spot-welded to each other.
The welding may be performed at several places at 0d. The electronic device case 1 of the present invention thus configured can be attached in a vertical state by fixing the bottom plate 10a of the main body 10 to a vertical surface such as a wall.

Next, in the electronic device case 1 of the present invention described with reference to FIGS. 1 to 3, the structure in which the front lid 20 is self-standing when the front lid 20 is opened is shown in FIGS.
This will be described with reference to FIG. FIG. 4 shows the side plate 1 of the main body 10.
0b and a part of the upper part of the side plate 20a of the front lid part 20 are enlarged. As described above, the front lid 2 is attached to the front lid fitting portion 10g of the side plate 10b of the main body 10.
No. 0 side plate 20a is fitted, the pivot screw 2 is inserted into the screw insertion hole 20d, and this pivot screw 2 is attached to the side plate 1 of the main body 10.
0b is screwed to the first projecting portion 10c. As a result, the front lid 20 is pivotally supported by the main body 10 around the pivot screw 2 as a rotation center.

As shown in FIG. 4, a slit 20e is formed at the boundary between the rear side plate 20c and the front plate 20b of the front cover 20.
Are formed. Since the front lid portion 20 is formed by processing a metal plate, the tongue portion 20f formed as a part of the rear side plate 20c by the slit 20e has elasticity, and the tongue portion 20f is elastically deformable. Become. When the front lid 20 is rotated about the pivot screw 2 as a rotation center, the tongue 20f is attached to the side plate 10b of the main body 10.
Into the groove 10d formed in the groove. At this time,
The distance between the front edge of the groove 10d and the center of rotation is the tongue 10f.
When the front lid 20 is rotated, the tongue portion 10f moves from the arcuate sliding portion 10h formed on the front edge to the arcuate sliding portion 10h. Sliding contact is made while being elastically deformed along the connecting engaging portions 10i. The back surface of the front plate 20b is
The rotation of the front lid 20 is stopped when the front lid 20 abuts on the edge of the side plate 10b. At this time, the tongue portion 20f is engaged with the engagement portion 10i.
And the tongue portion 20f is elastically deformed, so that the front lid portion 20 becomes independent against its own weight.

FIGS. 5A to 5C show a state in which the front lid 20 is rotated with respect to the main body 10 and the front lid 20 is gradually opened. The state shown in FIG.
In this state, the front lid portion 20 is rotated until the edge of the tongue portion 20f comes into contact with the arcuate sliding portion 10h.
0f is not elastically deformed. Further, FIG. 5B shows a state in which the front lid 20 has been rotated. In FIG. 5B, the tongue portion 20f is in sliding contact with the arc-shaped sliding portion 10h while being elastically deformed. When the front lid 20 is further rotated, the back surface of the front plate 20b comes into contact with the edge of the side plate 10b. At this time, the tongue 20f is elastically deformed to
The elastic force of the tongue 20f allows the front lid 20 to stand up against its own weight.

The elastic force of the tongue 20f can be variously changed by adjusting the thickness of the metal plate, the length of the slit 20e, the distance δ, and the width of the tongue 20f. However, the range is set within a range in which the tongue portion 20f is elastically deformed. In the electronic device case 1 of the present invention configured as described above, the stopper structure that makes the front cover 20 self-support against its own weight has no parts to be worn, so even if the front cover 20 is repeatedly opened and closed. When the front lid 20 is opened, the user can always stand alone and can withstand long-term use.

[0022]

As described above, in the electronic device case of the present invention, when the lid is opened, both ends of the rear side plate of the lid are elastically engaged with the upper edges of the grooves formed in the main body. Since the lid is self-supporting with respect to the main body, it is possible to provide a stopper structure having no part that is worn away when the lid is opened and closed. Therefore, even if the lid is repeatedly opened and closed, the lid can always maintain its self-standing state against its own weight.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a configuration example of a main body and a front lid in an embodiment of an electronic device case of the present invention.

FIG. 2 is a perspective view illustrating a configuration of the electronic device case according to the embodiment of the present invention in a state where a front cover is open.

FIG. 3 is a perspective view showing a configuration of the electronic device case according to the embodiment of the present invention in a state where a front cover is closed.

FIG. 4 is an enlarged view of a part of an upper front side of a side plate of a main body and a part of an upper part of a side plate of a front lid in the electronic device case according to the embodiment of the present invention.

FIG. 5 is a diagram showing a state in which the front lid is rotated with respect to the main body and the front lid is gradually opened in the electronic device case according to the embodiment of the present invention.

FIG. 6 is an exploded perspective view showing a configuration example of a conventional electronic device case.

FIG. 7 is a perspective view illustrating a configuration of the electronic device case in a state where a front lid is closed.

FIG. 8 is an enlarged view of a part of an upper front side of a side plate of a main body and a part of an upper part of a side plate of a front lid in a conventional electronic device case.

FIG. 9 is a view showing a state in which a front lid is rotated with respect to a main body to gradually open the front lid in a conventional electronic device case.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Electronic device case 2 Pivot screw 10 Main part 10a Bottom plate 10b Side plate 10c First protruding part 10d Groove part 10e Second protruding part 10f Tongue part 10g Front lid fitting part 10h Arc-shaped sliding part 10i engaging part 20 Front lid part 20a Side plate 20b Front plate 20c Rear side plate 20d Screw insertion hole 20e Slit 20f Tongue 20g Notch 20h Projection 30 Upper lid 30a Side plate 30b Insertion hole 30c Front side plate 30d Spot weld 40 Lower lid 110 Body 110b 110c Projection 110d Engagement projection 110e Projection 120 Front lid 120a Side plate 120d Screw insertion hole 120e Engagement hole 120f Projection 120g Notch 120h Projection 130 Upper lid 130a Side plate 130b Projection engagement hole 140 Lower lid

Claims (1)

[Claims] 1. An electronic device case including at least a main body having a U-shaped cross section and a lid pivotally supported on a front surface of the main body so as to be openable and closable, wherein the lid is pivotally supported with respect to the main body. A screw insertion hole formed in the side plate of the lid portion, and both ends of the rear side plate of the lid portion can be elastically deformed.
A slit formed at both ends thereof, a projection formed on a side plate of the main body, and a groove formed on a side plate of the main body along a longitudinal direction of the main body. By inserting a screw into the formed screw insertion hole and screwing it into the projecting portion formed in the main body, the lid is pivotally supported on the front surface of the main body so as to be openable and closable, When the part is opened, both ends of the rear side plate of the lid intrude into the groove formed in the main body,
An electronic device case, wherein the lid portion is self-standing against the main body portion by its own weight by elastically engaging with an edge of the groove portion.